Mathematics
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    9284.5*7
    5924.2*2
    9.675/1.135
    8.54+1.135
    1.135-0.54
    (8-2tan35)*2+2*0.5*2*2*tan35
    -3-4+19-11
    (-20)²+(-10)²
    ((50-70)²+(60-70)²+(70-70)²+(80-70)²+(90-70)²)/4
    4^2+(-8+4)*2^2+4
    4^2-4*2^2+4
    arcsin0.0325
    √9
    arccos(sqrt(2/3))
    2862.413/9.81
    1811.917/9.81
    acos(0.5)
    acos(0.5)
    ln(9/7)
    sin(1/7)

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